New to iPhone, jailbreaking

Hello there. I got my first iPhone, the 3GS on release day. I did not think I was going to jailbreak, but I saw my buddy's jailbroken iTouch and it really got me curious and interested. I've read as much as I could find, but some of my questions were not answered, or I just did not look hard enough.

1. On the main page, it says that people with jailbroken iPhones are at a security risk. How bad of a risk?
2. Will I be hit with a performance loss?
3. Which jailbreaking application works the best?

1. On the main page, it says that people with jailbroken iPhones are at a security risk. How bad of a risk?
2. Will I be hit with a performance loss?
3. Which jailbreaking application works the best?

1. i'll let someone else chime in on this one as i haven't read up much on the security aspects of JB-ing a phone
2. from what i gather, performance is not effected by JB-ing. in fact, it seems like you can open up a whole new world of apps that increase performance and unleash the full potential of the iPhone 3GS.
3. it seems that the JB app Purplera1n is the favorite of this forum. was reading this thread earlier today where they were talking about it (http://forum.theiphoneblog.com/iphon...erd-fight.html)

Hello there. I got my first iPhone, the 3GS on release day. I did not think I was going to jailbreak, but I saw my buddy's jailbroken iTouch and it really got me curious and interested. I've read as much as I could find, but some of my questions were not answered, or I just did not look hard enough.

1. On the main page, it says that people with jailbroken iPhones are at a security risk. How bad of a risk?
2. Will I be hit with a performance loss?
3. Which jailbreaking application works the best?

Is there anything else a first time jailbreaker should know?

Thanks for the help.

Turns out that if you jailbreak your iPhone you remove most of the Apples security protections 80% to be exact and are vulnerable to attacks. At least according to Charlie Miller: